– Enlarged view – |
• references | |
Weiss M (1991) Studies on ectomycorrhizae XXXIII. Description of three mycorrhizae synthesized on Picea abies. Mycotaxon 40: 53-77. |
• length | |
0 mm | Lower value of unspecified range (could be µ-s.d., but not known) |
8 mm | Upper value of unspecified range (could be µ+s.d., but not known) |
• ramification presence-type | |
monopodial-pyramidal | |
• tips {per 10 mm} number | |
4 | Lower value of unspecified range (could be µ-s.d., but not known) |
8 | Upper value of unspecified range (could be µ+s.d., but not known) |
• ramification orders | |
0 | Lower value of unspecified range (could be µ-s.d., but not known) |
1 | Upper value of unspecified range (could be µ+s.d., but not known) |
• main axis diameter | |
0.4 mm | Lower value of unspecified range (could be µ-s.d., but not known) |
0.6 mm | Upper value of unspecified range (could be µ+s.d., but not known) |
• rhizomorphs as stout, short, conical structures presence-abundance | |
absent | |
• rhizomorphs as short mycorrhiza-like outgrowths with blunt tips presence | |
absent | |
• rhizomorphs presence | |
present | |
• rhizomorphs frequency | |
infrequent |
• shape | |
straight | |
or | bent |
or | tortuous |
• length | |
0 mm | Lower value of unspecified range (could be µ-s.d., but not known) |
3 mm | Upper value of unspecified range (could be µ+s.d., but not known) |
• diameter | |
0.35 mm | Lower value of unspecified range (could be µ-s.d., but not known) |
0.5 mm | Upper value of unspecified range (could be µ+s.d., but not known) |
• colour | |
brown | |
or | orange |
• very tip colour | |
whitish | |
• older parts colour | |
brown | |
• mantle secreted latex {after scratching mantle} presence | |
present | |
• mantle secreted latex {after scratching mantle} colour-habit | |
white, remaining white after some minutes | |
• mantle surface {in general} habit | |
smooth | |
or | not smooth |
• mantle surface {in detail} kind | |
loosely grainy or warty |
• diameter | |
0 mm | Lower value of unspecified range (could be µ-s.d., but not known) |
0.3 mm | Upper value of unspecified range (could be µ+s.d., but not known) |
• colour | |
concolourous to mantle | |
or | brown |
or | orange |
• emanating elements presence-type | |
rhizomorphs | |
or | cystidia |
• emanating elements cystidia location | |
on outer mantle layer | |
• blue granules presence | |
absent |
• presence | |
absent | |
or | present |
• location | |
middle mantle layer | |
or | rhizomorphs |
• shape | |
straight and even | |
• ramification presence-abundance | |
infrequent | |
• cell length | |
15 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
100 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
• cell diameter | |
5 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
10 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
• organisation | |
pseudoparenchymatous | |
• organisation {if pseudoparenchymatous} cell shape | |
epidermoid, puzzle-like, jig-saw-shaped | |
• mantle type | |
epidermoid cells bearing a hyphal net (type Q) | |
• hyphal net cells shape | |
not specialized | |
and | with roundish lobes |
• hyphal net cell walls habit | |
faint, delicate, inconspicuous, rather thin | |
• septa clamps presence | |
absent | |
• cell pigment location-colour | |
membranaceously yellowish | |
and | membranaceously brownish |
• cell diameter | |
4 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
15 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
• cell length | |
4 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
15 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
• cell density | |
13 | Mean (= average) |
• cell wall thickness | |
0.2 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
2 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
• cell wall surface habit | |
smooth | |
• cell wall projections presence | |
present | |
• cell wall projections abundance | |
infrequent | |
• cell wall projections shape | |
even in thickness | |
• drops of exuded pigment presence | |
absent |
• organisation | |
plectenchymatous | |
• hyphae arrangement | |
plectenchymatous, without pattern | |
• cell pigment location-colour | |
membranaceously yellowish | |
• cell diameter | |
3 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
5 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
• cell wall thickness | |
0.2 µm | Mean (= average) |
• cell wall surface habit | |
smooth |
• organisation | |
plectenchymatous | |
• hyphae arrangement | |
without pattern | |
• septa clamps presence | |
absent | |
• cell diameter | |
2 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
6 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
• anatomy mantle outer mantle layer {of ectomycorrhizal tip} cell density | |
18 | Mean (= average) |
• mantle thickness {apart from tip} | |
30 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
50 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
• mantle different layers presence | |
discernable | |
• outer mantle layer organisation | |
plectenchymatous | |
• outer mantle layer hyphae radially diameter | |
1 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
4 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
• middle mantle layer organisation | |
pseudoparenchymatous | |
• middle mantle layer hyphae tangentially length | |
4 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
15 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
20 µm | Maximum value |
• middle mantle layer hyphae radially diameter | |
3 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
9 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
• inner mantle layer organisation | |
plectenchymatous | |
• inner mantle layer hyphae radially diameter | |
1 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
3 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
• presence | |
present |
• septal pores configuration | |
globular thickenings | |
• backwards-oriented clamps presence | |
absent |
• type | |
thin-walled, slightly tapering, often rather similar to ends of normal hyphae, but mostly originating from a pseudoparenchyma (type O) | |
• septa presence | |
absent | |
• septa kind | |
absent, with basal clamp only | |
• diameter {proximal} | |
2 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
5 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
• diameter {distal} | |
2 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
5 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
• length | |
6 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
30 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
• cell wall colour | |
absent | |
• cell wall colour {relative to mantle cells} | |
lacking or less intense | |
• cell wall thickness | |
0.2 µm | Mean (= average) |
• cell wall evenness | |
even in thickness | |
• surface habit | |
smooth | |
• contents presence | |
absent | |
• contents type | |
absent |
• shape | |
not striking | |
• cell pigment location-colour | |
membranaceously brownish | |
• drops of exuded pigment presence | |
absent |
• distance {from septum} | |
adjacent to septum | |
• side-branches at septum number | |
one side-branch at septum |
• clamps presence | |
absent | |
• clamps hole presence | |
absent | |
• clamps blister-like structure {at basis} presence | |
absent |
• anatomy emanating elements emanating hyphae cell shape | |
even | |
• anatomy emanating elements emanating hyphae cell diameter | |
2 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
3 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
• anatomy emanating elements emanating hyphae cell wall surface habit | |
smooth | |
or | without lens-shaped appositions |
or | without spindle-shaped appositions |
• anatomy emanating elements emanating hyphae cell wall thickness | |
0.2 µm | Mean (= average) |
• anatomy emanating elements emanating hyphae cell wall {apart from tip} evenness | |
even in thickness |
• type | |
slightly differentiated; central hyphae somewhat enlarged (type C) |
|
• internal nodia presence | |
absent | |
• gelatinized hyphae presence | |
absent | |
• cup-like structures on surface presence | |
absent | |
• a "ball" of intertwined, ramified, thin hyphae presence | |
absent |
• ampullate, trumpet-like inflated presence | |
absent |
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence | |
absent |
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence | |
absent |
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence | |
absent |
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence | |
absent |
• presence | |
absent |
• {of ectomycorrhiza former} presence | |
present | |
• {of ectomycorrhiza former} abundance | |
occasionally present | |
• shape | |
globular | |
• diameter | |
1 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
7 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
• amyloidity haustoria presence | |
absent |
• geographic occurrence continent | |
Europe |
• plant family | |
Pinaceae | |
• plant genus | |
Picea | |
• plant habitat kind | |
forests, woods |
• family | |
Russulaceae | |
• subgenus-section | |
Lactarius sect. Russulares | |
• fruitbodies growth habit | |
epigeous | |
or | pileate-lamellate |
• public notes | |
Surface of very young mycorrhizae with short-spiny very tips, older parts smooth or finely grainy; mycorrhizal ends orange-brown, older parts darker; rhizomorphs orange-brown; outer mantle layers in plan view at tip with almost epidermoid cells, in basal parts cells gradually becoming irregularly shaped to almost isodiametric, cell walls yellowish orange; hyphae of rhizomorphs membranaceously orange; in longitudinal section outer hyphal net appears as a plectenchyma. |